Home / 55,310,419.04-76,328,382.48-30,530,611.76

Finding the Fourth Proportional to 55,310,419.04, 76,328,382.48 and 30,530,611.76

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Solution

The fourth proportional to 55,310,419.04, 76,328,382.48 and 30,530,611.76 is: 42,132,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,310,419.04 : 76,328,382.48 = 30,530,611.76 : x
  2. Step 2: Convert to fraction form
    55,310,419.04/76,328,382.48 = 30,530,611.76/x
  3. Step 3: Cross multiply
    55,310,419.04x = 76,328,382.48 × 30,530,611.76
  4. Step 4: Simplify right side
    55,310,419.04x = 2,330,352,211,765,666
  5. Step 5: Solve for x
    x = 2,330,352,211,765,666/55,310,419.04
  6. Step 6: Final answer
    x = 42,132,246.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.